spindler



E. G. SPINDLER.

GAGE.

APPLICATION FILED OCT- 21. l9l6.

Patented Nov. 11, 1919.

WITNESSES m. 0 (9'6 0mm) f 7 BY I ATTOR N EY- EDWARD'G. SPINDLER, OF ST. LOUISQMIS SOURI.

ratenaanav. i1, 1919.

GAGE.

1 321 567 Specification of Letters Patent.

Application filed October 21, 1916. Serial No. 126,957.

To all whom it may concern:

Be it known that I, EDWARD G. SPINDLER, a citizen of the United States,tresiding at St. Louis, and State of Missouri, have in vented certain new and useful Improvements in Gages, of which the following is a specification.

This invention relates to certain new and useful improvements in a gage and has for its primary object the provision of a device of this characterwvhich will be of extremely simple construction, inexpensive and highly efficient in use. 7

Another object of the invention resides in the provision of a gage of the abovestated character which may be readily adjusted to determine either interior or exterior dimensions by the adjustment of a single movable member upon the scale, said movable member being adjusted toward or away from a stationary cooperating member rigidly secured to the scale bar:

A further object of the invention resides in the provision of a novel form of scale bar and. cooperating members mounted upon the same, as well as a simple form of securing means to hold the measuring jaws in proper position.

With these general objects in view and others that will appear as the nature of the invention is better understood, the same consists in the novel combination and ar rangement of parts hereinafter more fully described, illustrated in the accompanying drawings, and pointed out in the appended claim.

In the drawings forming a part of this application and in which like-designating characters refer to corresponding parts throughout the several views Figure 1 is an elevation of the complete device,

Fig. 2 is a detail elevation of the scale bar showing the rear face of the same,

Fig. 3 is a sectional view taken on line 3 3 of Fig. 1,

Fig. 4 is a fragmentary plan looking at the rear edge of the gage, and

Fig. 5 is a detail section through one of the securing members.

Referring more particularly to the drawings, 1 designates the outer measuring jaw which is provided with a flat inner face and an extension 3 at its forward side. The outer measuring jaw 1 is adapted for cooperation with the inner adjustable measuring jaw 4 which also has a fiat inner face 5 parallel with the face 2 of the jaw 1, and an extension 6 projecting from its forward side, parallel with the extension 3 of said jaw 1. The jaw 4 and the inner faces 2' and 5 may cooperate in the work of obtaining exterior dimensions, while the extensions 3 and 6 cooperate in the work of ob taining interior dimensions, as will "be later clearly understood.

The jaws 1 and, 4 are mounted upon the scale bar 7 which has a central longitudinal groove 8 in its front face and extended practically the entire length of the same.

The outer jaw 1 is preferably secured upon the forward end of the scale bar 7 and held in positionby means: of the securing member 9 which is engaged in a groove 10 of the member 1 and has one end 11 bent at a rightangle and engaged in the groove 8 of the bar7, the opposite end of said securing member 9 being threaded as shown at 12 to receive the cap 13, Whichhas a spring 14 positioned therein and bearing against the end of said securing member 9 to. frictionally retain the head 13 in proper position. The portion of the member 9 resting in the groove 10 of the'outer jaw 1 and engaged with the outer face .of the lower portion of the scale bar 7, is reduced in thickness, thereby providing the shoulder 15 at the connection of said portion with the long portion of said member 9, the shoulder 15 resting against the edge of, the scale bar 7 as will be readily seen by referring to Fig. 3 of the drawings. The outer head 1 is also provided with a transverse recess or opening 16 within which the head 18 of the securing member 9 is positioned, whereby said cap 13 may be readily adjusted upon the member 9.

The inner adjustable head 4 is also provided with an opening 16 to accommodate the head 13 of a second securing member 9 which is employed for securing the inner jaw 4 in adjusted position upon the scale bar 7.

In assembling my improved gage each of the securing members 9 is inserted in the groove or opening 10 in the jaws 1 and 4 respectively The scale bar 7 is 410w insorted through the open ended slot 10 in the jaw 4 while the jaw 1 is engaged upon one extremity of the scale bar. The end 11 of each of the securing members 9 is accommodated in the groove 8 as clearly shown in 3f 'lhe now the jaws moving on the bar 7;

,is provided witha sight opening 17 which'is ofsuch size andjshape as to disclose portions of the scales 18 and 19, upon the front face p i one'ofthese openings 17 .is shownfbut it is to off the scalebari. In the drawing only be understoodjthat a second opening isto be formed in the opposite side of' thejaw 4:.

r fi' The scale'18 is located upon the lower-poi tion of the front face of the scalebar and is 7 especially adapted ifor" use in obtaining the exterior;v measurements of ashaft orthe lik e-upxto and including a six inch shaft. vThe scale 19 is designed for lndlcatlllg" the 20,

size of Z standard bolts, p and it' will be under- 'stood'thateaeh'opening17 has adepressed -p'o'rtion or fian'ge 22 formed therearound and provided with indicating marks 23 upon its outer face wfhi'chwill serve to indicate upon the scalesithesize of the artlcle being ;1neasiu ed. The scale 21 onthe upper portion of theopposite side of-the scale bar 7 I may be employed when' determining the size *gof (a holeto be drilled for a pipe thread.

"Thei 'scale; on the i lower portion *of this side of the scale har 7 -wil1also he found j useful iii-obtaining various measurements of different articles.

i Copies'of this patent may be obtained f0 Tlrong ntheforegoing, it' will' be evident 'that the'inner jaw & may be readily'ad- 'justedgupon the scale bar Tand for the pur- ,fpose fofnfioving the jaW L upon the scale bar 7, Ifhave provided a recess for depression which is roughened in theupp er edge-of the body of the jaw 4; to receive the operators thumb, while notches 25 are formed atthe lower. outer'corner' of-thebody of'sai'djaw t'to accommodate the-'operators finger when either drawing thejaw A away'j from the 1, or forcing s aidjaw 4 toward a the jaw 1. A spacing strip 24 is positioned threaded on the'threads of these securing a members 9 until they bind against thejaws, 1- and 4 respectively, and this will prevent between the separated extended portions of 7 the aw at, and the portion of said strip 24 v V A ened, as shown in Fig. 4. The complete de- -The body of the inneri'adj ustable jaw 1-.

vice is of simple construction and operation and may be readily manipulated with one hand.

- It will be noted that the slot or recess provided in the body of the inner jaw 4 to receive the scale bar 7 has an open end at one'edge of said jaw to permit removal'of the scale bar. A removable block 21 secured between the side walls of the slot adj acent the open edge thereof, normallyretains' the scale bar in position, but this block can be readily removed when desired.

, edge of said body and including side and bottom walls closely embracing said scale bar, a removable block closing the upper portion of said slot to retain the scale bar therein, and means for drawing the scale -'bar into tight frictional engagement with the bottom wall of said slot to lock the jaws in adjusted position.

In testimony whereof I afiix my signature in presence of two witnesses.

EDlVARD Gr. SPINDLER.

Vitnesses HENRY F. BONNER, 'OHRISTIAN G. SPINDLER.

r five cents each, by addressing the Commissioner of Patents Washington, D. G. 

